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Cheap flights from Sioux City to Phoenix from $324

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Phoenix departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sioux City to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 10:39 amSUX-PHX
6h 39m1 stop
United Airlines Logo
9:00 am - 5:32 pmPHX-SUX
6h 32m1 stop
$324United Airlines
Find Deal
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
12:45 pm - 8:19 pmSUX-PHX
9h 34m2 stops
United Airlines Logo
9:00 am - 5:32 pmPHX-SUX
6h 32m1 stop
$334United Airlines
Find Deal
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
12:45 pm - 10:08 pmSUX-PHX
11h 23m2 stops
United Airlines Logo
6:00 am - 5:32 pmPHX-SUX
9h 32m2 stops
$339United Airlines
Find Deal
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
6:31 pm - 11:11 pmSUX-PHX
5h 40m1 stop
United Airlines Logo
7:30 am - 5:32 pmPHX-SUX
8h 02m1 stop
$385United Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
12:45 pm - 11:01 pmSUX-PHX
11h 16m2 stops
United Airlines Logo
6:19 am - 5:32 pmPHX-SUX
9h 13m1 stop
$423United Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
7:45 am - 3:58 pmSUX-PHX
9h 13m1 stop
United Airlines Logo
5:48 pm - 6:10 pmPHX-SUX
23h 22m1 stop
$448United Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
United Airlines Logo
6:46 pm - 10:40 pmSUX-PHX
4h 54m1 stop
United Airlines Logo
12:57 pm - 10:59 pmPHX-SUX
9h 02m2 stops
$464United Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
United Airlines Logo
12:45 pm - 7:22 pmSUX-PHX
7h 37m1 stop
United Airlines Logo
7:00 am - 11:42 pmPHX-SUX
15h 42m1 stop
$478United Airlines
Find Deal
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
12:45 pm - 10:40 pmSUX-PHX
10h 55m2 stops
United Airlines Logo
8:25 am - 11:42 pmPHX-SUX
14h 17m1 stop
$488United Airlines
Find Deal
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
12:45 pm - 10:40 pmSUX-PHX
10h 55m2 stops
United Airlines Logo
4:21 pm - 10:45 amPHX-SUX
17h 24m2 stops
$517United Airlines
Find Deal
Wed, Feb 11 - Sun, Feb 15

United Airlines flights from Sioux City to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Sioux City to Phoenix Sky Harbor Intl Airport flight tickets
United Airlines
Apr 4
SUX6:00 amSioux City Sioux Gateway
6h 39m
1 stop
PHX10:39 amPhoenix Sky Harbor Intl
Apr 8
PHX9:00 amPhoenix Sky Harbor Intl
6h 32m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$324
Find similar
United Airlines
Apr 4
SUX12:45 pmSioux City Sioux Gateway
9h 34m
2 stops
PHX8:19 pmPhoenix Sky Harbor Intl
Apr 8
PHX9:00 amPhoenix Sky Harbor Intl
6h 32m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$334
Find similar
United Airlines
Apr 4
SUX12:45 pmSioux City Sioux Gateway
11h 23m
2 stops
PHX10:08 pmPhoenix Sky Harbor Intl
Apr 8
PHX6:00 amPhoenix Sky Harbor Intl
9h 32m
2 stops
SUX5:32 pmSioux City Sioux Gateway
$339
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Phoenix Sky Harbor Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Sioux City to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sat 4/4

6:00 am-10:39 am

1 stop6h 39m

Phoenix Sky Harbor Intl

Wed 4/8

9:00 am-5:32 pm

1 stop6h 32m

$324

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sat 4/4

12:45 pm-8:19 pm

2 stops9h 34m

Phoenix Sky Harbor Intl

Wed 4/8

9:00 am-5:32 pm

1 stop6h 32m

$334

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Sat 4/4

12:45 pm-10:08 pm

2 stops11h 23m

Phoenix Sky Harbor Intl

Wed 4/8

6:00 am-5:32 pm

2 stops9h 32m

$339

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 3/5

6:31 pm-11:11 pm

1 stop5h 40m

Phoenix Sky Harbor Intl

Sun 3/8

7:30 am-5:32 pm

1 stop8h 02m

$385

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Thu 3/5

12:45 pm-11:01 pm

2 stops11h 16m

Phoenix Sky Harbor Intl

Sun 3/8

6:19 am-5:32 pm

1 stop9h 13m

$423

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 11/28

7:45 am-3:58 pm

1 stop9h 13m

Phoenix Sky Harbor Intl

Tue 12/2

5:48 pm-6:10 pm

1 stop23h 22m

$448

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Fri 11/28

6:46 pm-10:40 pm

1 stop4h 54m

Phoenix Sky Harbor Intl

Tue 12/2

12:57 pm-10:59 pm

2 stops9h 02m

$464

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 2/11

12:45 pm-7:22 pm

1 stop7h 37m

Phoenix Sky Harbor Intl

Sun 2/15

7:00 am-11:42 pm

1 stop15h 42m

$478

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 2/11

12:45 pm-10:40 pm

2 stops10h 55m

Phoenix Sky Harbor Intl

Sun 2/15

8:25 am-11:42 pm

1 stop14h 17m

$488

Sioux CityPhoenix

SUX - PHX

SUXPHX

Sioux City Sioux Gateway

Wed 2/11

12:45 pm-10:40 pm

2 stops10h 55m

Phoenix Sky Harbor Intl

Sun 2/15

4:21 pm-10:45 am

2 stops17h 24m

$517

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Sioux City to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Sioux City is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $413. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $425. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

When to book flights from Sioux City to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux City to Phoenix Sky Harbor Intl Airport (SUX to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Phoenix Sky Harbor Intl Airport

Direct flights

None
There are no direct flights from Sioux City to Phoenix Sky Harbor Intl Airport. There are no popular flight routes from Sioux City to Phoenix Sky Harbor Intl Airport.
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  • How far is Sioux City Sioux Gateway to Phoenix Sky Harbor Intl by plane?

    The distance between Sioux City Sioux Gateway and Phoenix Sky Harbor Intl is about 1051.9 mi. By plane, this route typically takes 4h 54m.

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Sioux City Sioux Gateway Airport to Phoenix Sky Harbor Intl Airport refresh daily.

  • How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Phoenix Sky Harbor Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The necessary travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sioux City to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Sioux City to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Sioux City to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
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Surprise
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Buckeye
Apache Junction
Payson
Wickenburg
Avondale
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Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Phoenix?

It is quick and easy to find Sioux City to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

Can I find flights from Sioux City to Phoenix with flexible booking policies on momondo?

momondo does allow users to show only those flights to Phoenix from Sioux City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux City to Phoenix?

Once all potential Sioux City to Phoenix flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sioux City to Phoenix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sioux City to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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